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Finding the Fourth Proportional to 13,093.66, 17,951.43 and 12,856.73

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Solution

The fourth proportional to 13,093.66, 17,951.43 and 12,856.73 is: 17,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.66 : 17,951.43 = 12,856.73 : x
  2. Step 2: Convert to fraction form
    13,093.66/17,951.43 = 12,856.73/x
  3. Step 3: Cross multiply
    13,093.66x = 17,951.43 × 12,856.73
  4. Step 4: Simplify right side
    13,093.66x = 230,796,624.34
  5. Step 5: Solve for x
    x = 230,796,624.34/13,093.66
  6. Step 6: Final answer
    x = 17,626.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.